University of York Students' Union
In dynamic and globalized business environment the only certain source of lasting competitive advantage of companies is knowledge. By maintaining and acquiring relevant knowledge through the use of knowledge management systems businesses are sustaining their competitive advantage over other players in the market. In this paper, one of the most important activities is decision making. Decision making process must take into account all of the relevant knowledge in order to reach optimal decision, specifically knowledge that is not available to other competitors - tacit knowledge.